22-01-2019
Biology

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What is coal composed of?

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campbell334 campbell334

22-01-2019

Coal is a combustible black or brownish-black sedimentary rock, formed as rock strata called coal seams. Coal is mostly carbon with variable amounts of other elements; chiefly hydrogen, sulfur, oxygen, and nitrogen. Hope this helps.

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lilblakey69 lilblakey69

22-01-2019

Coal is a combustible black or brownish-black sedimentary rock, formed as rock strata called coal seams.

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